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Morphology of the neuroendocrine systems of two ...

Description

Citation

Morphology of the neuroendocrine systems of two larval blackflies, Prosimulium mixtum/fuscum and Simulium venustum

Author(s)

W. J. Condon, R. Gordon, C. H. Bailey

Journal

Canadian Journal of Zoology

Date

1976

Volume

54

Issue

9

Start page

1579

End page

1584

Abstract

The anatomical relations of the neuroendocrine systems in larvae of Simulium venustum Say and the complex of Prosimulium mixtum Syme & Davies and P. fuscum Syme & Davies are described from histological examination. The neuroendocrine system in the brain showed morphological similarities to culicids (3 pairs of cerebral neurosecretory cell clusters and 1 pair of nervi corporis cardiaci entering the corpus cardiacum glandular system). The retrocerebral glandular portion of the neuroendocrine system was composed of a corpus allatum, corpora cardiaca and surrounding peritracheal gland. The morphology of the simuliid neuroendocrine system is discussed in relation to those of other families of Nematocera and higher Diptera..